Finding the Fourth Proportional to 1,939,431.62, 2,909,149.05 and 609,735.62
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Solution
The fourth proportional to 1,939,431.62, 2,909,149.05 and 609,735.62 is: 914,603.94
Step by Step Solution
- Step 1: Write the proportion equation
1,939,431.62 : 2,909,149.05 = 609,735.62 : x - Step 2: Convert to fraction form
1,939,431.62/2,909,149.05 = 609,735.62/x - Step 3: Cross multiply
1,939,431.62x = 2,909,149.05 × 609,735.62 - Step 4: Simplify right side
1,939,431.62x = 1,773,811,799,674.16 - Step 5: Solve for x
x = 1,773,811,799,674.16/1,939,431.62 - Step 6: Final answer
x = 914,603.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.